Carrier Access Adit 3000 Series and Multi-Service Router (MSR) Card none - Manual (Page 412)

19-2 Adit 3000 (Rel. 1.6) and MSR Card (Rel 2.0) CLI
Configuration - RADIUS Mode
authentication
Use the RADIUS authentication command to set the RADIUS client authentication method.
Syntax:
(config-radius)# authentication {chap|ms-chap|ms-chapv2|pap}
Example:
(config-radius)# authentication chap
Supported Platforms: Adit 3104, Adit 3200, Adit 3500, MSR
Field Definition
chap CHAP - Challenge Handshake Authentication
ms-chap MS-CHAP - Microsoft CHAP
ms-chapv2 MS-CHAPv2 - Microsoft CHAP Version 2
pap PAP - Unencrypted Password. Default